https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84646
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |law at redhat dot com
--- Comment #2 from Jeffrey A. Law <law at redhat dot com> ---
The backwards threader discovers the threads, but refuses to optimize them
because it thinks doing so will create an irreducible loop without enough
benefit.
